Home / 80,322.13-120,511.90-48,796.53

Finding the Fourth Proportional to 80,322.13, 120,511.90 and 48,796.53

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Solution

The fourth proportional to 80,322.13, 120,511.90 and 48,796.53 is: 73,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,322.13 : 120,511.90 = 48,796.53 : x
  2. Step 2: Convert to fraction form
    80,322.13/120,511.90 = 48,796.53/x
  3. Step 3: Cross multiply
    80,322.13x = 120,511.90 × 48,796.53
  4. Step 4: Simplify right side
    80,322.13x = 5,880,562,152.78
  5. Step 5: Solve for x
    x = 5,880,562,152.78/80,322.13
  6. Step 6: Final answer
    x = 73,212.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.